Biology 2a - Cells, Organs and Populations

DIFFUSION

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  • Created by: wsene
  • Created on: 21-02-14 14:56
Diffusion
The spreading out of particles from an area of high concentration to an area of low concentration.
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What other features do cell membranes have?
They hold the cell together BUT also allow diffusion to happen. It allows dissolved substances to move in and out of the cell.
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What type of cells can diffuse through cell membrane?
Only small cells, such as: Oxygen, glucose, amino acids and water.
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What type of cells cant diffuse through cell membrane?
Big molecules, such as: Starch and proteins.
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What does diffusion happen in?
Substances and gases.
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Other cards in this set

Card 2

Front

What other features do cell membranes have?

Back

They hold the cell together BUT also allow diffusion to happen. It allows dissolved substances to move in and out of the cell.

Card 3

Front

What type of cells can diffuse through cell membrane?

Back

Preview of the front of card 3

Card 4

Front

What type of cells cant diffuse through cell membrane?

Back

Preview of the front of card 4

Card 5

Front

What does diffusion happen in?

Back

Preview of the front of card 5

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